SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
SSL/TLS Certificate for protc.cz
Valid- Issued by (CA)
- Sectigo Limited
- Subject
- www.projektuj-tepelna-cerpadla.cz
- Valid from
- May 4, 2026
- Valid until
- Nov 18, 2026 (120 days remaining)
- Public key
- RSA 2048-bit
- Serial
- CE1A8EBD5A4EC5E2ED18EED30917403A
- SHA-256 fingerprint
- A8:10:2D:8A:43:14:13:85:E1:0A:9D:83:0D:64:98:43:FF:C2:9B:19:94:75:55:9F:E3:58:E5:6D:C0:7A:93:E3
- Chain
- Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.